class_docstr: ImageSet wraps a set of ImageFeature
docstr: :return: the labelMap of this ImageSet, None if the ImageSet does not have a labelMap
docstr_tok: [":","return",":","the","labelMap","of","this","ImageSet",",","None","if","the","ImageSet","does","not","have","a","labelMap"]
code: def label_map(self):
      """
      :return: the labelMap of this ImageSet, None if the ImageSet does not have a labelMap
      """
      return callZooFunc(
          self.bigdl_type, "imageSetGetLabelMap", self.value
      )
  
imports: from bigdl.transform.vision.image import ImageFrame
  from bigdl.util.common import *
  from zoo.common.utils import callZooFunc
label_desc: Use image node_id 4 for calling the ImageSet obj's underlying member method code with example usage: obj.label_map() and returns: callZooFunc